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Braukman Air Vent Installation
NOTE: The Braukman air vent is not approved for use in the State of Wisconsin. An approved air to water tank
and/or air vent should be used with this application in the State of Wisconsin.
The Braukman Air Vent must be installed at the highest point of the plumbing, between the pressure tank and filter (see
Figure 8). Please note that the Braukman Air Vent (A) is mounted on a four to six inch pipe extension (B) at the elbow (C) of
the highest point. This enables the vent to better collect any excess air created by the hydrocharger.
To use the Braukman Air Vent on an air-to-water pressure tank, install it approximately halfway up the side of the tank, as
shown in the detailed drawing below.
Figure 8
A
B
C
Braukman
Air Vent
Out
In
Pressure
Tank
(Diaphragm)
1. Air release cap must be loose or removed to allow air to escape from vent.
2. Position indicator
3. Vent bushing 1/2" x 1/8"
4. 3/4" x 3/4" x 1/2" copper tee
Special Instructions for Split-Stream and Public Water Supply Type Installations:
For a split-stream installation, a secondary pressure tank must be installed as in Figure 2. On a public water supply
installation, a pressure tank must be installed as in Figure 3. It is recommended in both applications to use a standard air-to-
water pressure tank with an air-relief valve of a capacity that would be installed if the water system were a standard private
well. Also note that in both applications a normally-closed solenoid valve is required. Follow the standard installation
instructions above with the following additions and modifications.
1. Install pressure tank (secondary pressure tank in Figure 2) as indicated by appropriate diagram.
2. Install normally-closed solenoid valve after water meter and after a line split for untreated water (if there is one).
3. On both types of installation, install the hydrocharger between pressure tank (secondary pressure switch on split-stream
type installations) and normally-closed solenoid valve.
4. Install a pressure switch after the hydrocharger and wire it to the solenoid valve (secondary pressure switch on split-
stream). Set high pressure on pressure switch (which controls opening and closing of solenoid valve) to 3 psi lower than
low pressure on primary pressure switch. Example: if primary pressure switch is set at 40 to 60 psi, set secondary
pressure switch high at 37 to 38 psi.
For public water supply installations, contact your local water department or plant operator and ask what the normal low
system pressure is. Set high pressure on pressure switch 2 to 3 psi lower than this figure.
NOTE: Failure to set the pressure switch as described above will not allow proper closing of the solenoid valve during
periods of low system pressure.
A
B
C
Braukman
Air Vent
Out
In
Pressure
Tank
(Air to Water)
7
Figure 9
1
2
3
See
Figure 8
OPEN
CLOSED
4
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